Improvement in miners  lamps



WILLIAM C. WINFIELD.

Miners Lamp.

No.126,606. Parentedwlay 7,1872.

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UNITED STATES PATENT OFFICE.

WILLIAM C. WINFIELD, OF HUBBARD, OHIO, ASSIGNOR TO HIMSELF, JOHN B. WINFIELD, AND THOMAS A. WINFIELD, OF SAME PLACE.

IMPROVEMENT IN MINERS LAMPS.

Specification forming part of Letters Patent No. 126,606, dated May 7, 1872.

To all whom it may concern:

Be it known that I, WILLIAM G. WINEIELD, of Hubbard, in the county Trumbull and State of Ohio, have invented a new and useful article of manufacture called Miners Lamp, and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawing and the letters of reference marked there- The nature of my invention consists in securing the lid'or cap of the ordinary miners lamp77 to its body through the medium of screw-threads in the cap and on the neck of the lamp, the cap being furnished with an elastic packing-disk, air-chamber, and openings for` the ingress of air.

To enable others skilled in the art to make and use my new article of manufacture, Iwill proceed to describe its construction.

Figure 1 is a side elevation of my new article of manufacture-viz., a miners lamp. Fig. 2 is a Vertical section of the same.

The body `A of the lamp is constructed in the usual manner, but the neck B is provided with screw-threads, which are tted to the screw-threads in the ilange C of the cap D.

The cap is provided with an elastic disk, e, of cork, rubber, or other material. Above this disk is an air-chamber, f, formed by making the end of the cap spherical, as shown at h. The end hand disk e are each provided with an opening, t', for the ingress of air. By providing the cap with an elastic packing-disk combined with the screw-threads of the cap and neck of the lamp, all leakage of oil will be prevented, and through the medium of the chamber f and openings i air will be admitted into the body A, thereby causing the oil to feed the Wick properly. The air-chamberf, elastic packing-disk e, and openings i, combined with the screw-threads of the cap and neck are the improvements of this lamp over that granted to me May 23, 1871, No. 115,143.

What I claim is- A new article of manufacture-viz., a mincrs lamp, constructed as described and shown, and provided with a screw-cap, furnished with an elastic packing-disk, e, chamber f, and airopenings i, as herein set forth.

WM. C. WINFIELD.

Witnesses:

A. CLARKE JOHNSTON, J AMES J. J oHNs'roN. 

